Question

Cate and Elena were playing a card game. The stack of cards in the middle had 27 cards in it to begin with. Cate added 6 cards to the stack. Elena then took 10 cards from the stack. Finally, Cate took 7 cards from the stack. How many cards were left in the stack?

Answer 1

16 cards were left in the stack.

Explanation:

27 to begin with + 6 that Cate added - 10 that Elena took - 7 that Cate took.

27 + 6 - 10 - 7 = 16